264340861188997 has 2 divisors, whose sum is σ = 264340861188998. Its totient is φ = 264340861188996.

The previous prime is 264340861188967. The next prime is 264340861189039. The reversal of 264340861188997 is 799881168043462.

264340861188997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189094153824801 + 75246707364196 = 13751151^2 + 8674486^2 .

It is a cyclic number.

It is not a de Polignac number, because 264340861188997 - 2³¹ = 264338713705349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264340861188917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132170430594498 + 132170430594499.

It is an arithmetic number, because the mean of its divisors is an integer number (132170430594499).

Almost surely, 2^{264340861188997} is an apocalyptic number.

It is an amenable number.

264340861188997 is a deficient number, since it is larger than the sum of its proper divisors (1).

264340861188997 is an equidigital number, since it uses as much as digits as its factorization.

264340861188997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003290624, while the sum is 76.

The spelling of 264340861188997 in words is "two hundred sixty-four trillion, three hundred forty billion, eight hundred sixty-one million, one hundred eighty-eight thousand, nine hundred ninety-seven".